Improvement in thill-couplings



L. MOORE.

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No.175,135 Patented March '21, 1876.

mvzum gWma ATTORNEYS.

NJETEKS] PHOTO-LITNDGRAPHER WASHINGTON D c UNITED STATES PATENT QFFICE.

WILLIS B. RICH,

IMPROVEMENT IN OF SAME PLACE.

THILL-COUPLINGS.

Specification forming part of Letters Patent No. 175.135. dated March21, 1876; application filed February 28, 1876.

. Fig. 2 is a top view of the same, locked.

Similar letters of reference indicate corresponding parts.

The object of this invention is to furnish an improved device forconnecting thills and poles to the axles of vehicles, which shall be socon structed as to enable the thills or pole to be easily and quicklydetached without the use of any wrench or tool, and which, when locked,will hold the thills securely.

vided with the point or pin and the flattened pin or bolt, incombination with the thill-iron provided with the hole, and theperforated and slotted lug formed upon the yoke of an axle- .clip, ashereinafter fully described.

A represents the yoke of an axle-clip, which is secured to the bow ofthe clip by nuts in the usual way. Upon the middle part of the upperside of the forward end of the yoke A is formed a lug, B, of such awidth as will give ceive the lug B, and has a hole formed tlrrough it toreceive the ends-of the pin or bolt 0. The middle part of the pin orbolt 0 is fiattened, so that when turned edgewise it may be passed inand out through the slot of the lug B, and when turned crosswise cannotpass out through said slot. To one end of the pin or bolt 0 is rigidlyattached the end of a spring-bar, E, which is curved to correspond withthe curvatureof the thill-iron D, and has a point or pin, a, formed uponthe inner side receive it in the side of the thill-iron D, where it isheld securely by the elasticity of tliesaid spring-bar E. Vith thisconstruction, by springing the point or pin 0 out of the hole d andturning the said spring-bar E up into the position shown in Fig. l, thecoupling will be unlocked, The invention consists in the spring-barproand the thills can be lifted off. The coupling is locked by turningthe spring-bar E down scribed.

LEVI MOORE.

Witnesses:

G. C. REMINGTON, J. S. VAN ORDEN.

of its outer end to enter a hole, 01, formed to parallel with thethill-iron D and springing

